function opengb() {
 var w = window.open("guestbooksign.php","sgb","width=250,height=345");
 if (window.focus) {
  w.focus();
 }
}
function openbelbios() {
 var w = window.open("belbios.html","sbb","width=790,height=400");
 if (window.focus) {
  w.focus();
 }
}
function showpic(naam) {
x=1;
y=1;
width=300;
height=350;
if(window.screen){
 per_ancho=(width/800)*100;
 per_alto=(height/width)*100;
 win_ancho=(screen.width*per_ancho)/100;
 win_alto=(win_ancho*per_alto)/100;
 x=(screen.width-win_ancho)/2;
 y=(screen.height-win_alto)/2;
 y=y-40;
 if (y<0) {
  y=0;
  }
 }
s="showpic.html?pic="+naam;
w=window.open(s,"picshow","width=300,height=350,left="+x+",top="+y+",resizable=0,status=0,toolbar=0,scrollbars=0");
if (window.screen) {
 w.focus();
 }
}


function uploaden() {
 var w=window.open("vethard_uploaden.php","uploaden","width=500,height=375,resizable=0,status=0,toolbar=0,scrollbars=0");
 if (window.screen) {
  w.focus();
 }
}

function pv2() {
 var w=window.open("snowfever_pv2.php","sfnieuws","width=600,height=475,resizable=0,status=1,toolbar=0,scrollbars=1");
 if (window.screen) {
  w.focus();
 }
}

function openpic(naam) {
x=1;
y=1;
width=300;
height=350;
if(window.screen){
 per_ancho=(width/800)*100;
 per_alto=(height/width)*100;
 win_ancho=(screen.width*per_ancho)/100;
 win_alto=(win_ancho*per_alto)/100;
 x=(screen.width-win_ancho)/2;
 y=(screen.height-win_alto)/2;
 y=y-40;
 if (y<0) {
  y=0;
  }
 }
s="showpic.html?pic="+naam;
w=window.open(s,"picshow","width=300,height=350,left="+x+",top="+y+",resizable=0,status=0,toolbar=0,scrollbars=0");
if (window.screen) {
 w.focus();
 }
}
function openfigurant() {
x=1;
y=1;
width=740;
height=600;
if(window.screen){
 per_ancho=(width/800)*100;
 per_alto=(height/width)*100;
 win_ancho=(screen.width*per_ancho)/100;
 win_alto=(win_ancho*per_alto)/100;
 x=(screen.width-win_ancho)/2;
 y=(screen.height-win_alto)/2;
 y=y-40;
 if (y<0) {
  y=0;
  }
 }
w=window.open("figurant.php","figurant","width=740,height=600,left="+x+",top="+y+",resizable=1,status=1,toolbar=0,scrollbars=0");
if (window.screen) {
 w.focus();
 }
}


function opengastenboek() {
 w = window.open("guestbooksign.php","ogb","width=450,height=315");
 if (window.focus) {
  w.focus();
 }
}

function getCookieVal (offset) { 
var endstr = document.cookie.indexOf (";", offset); 
if (endstr == -1) 
endstr = document.cookie.length; 
return unescape(document.cookie.substring(offset, endstr)); 
} 

function GetCookie (name) { 
var arg = name + "="; 
var alen = arg.length; 
var clen = document.cookie.length; 
var i = 0; 
while (i < clen) { 
var j = i + alen; 
if (document.cookie.substring(i, j) == arg) {
 return getCookieVal (j); 
}
i = document.cookie.indexOf(" ", i) + 1; 
if (i == 0) break; 
} 
return null; 
}